Albuterol sulfate 90mcg/inh; metered-dose aerosol (with a dose counter); CFC-free. Proair HFA ... 108 mcg of albuterol sulfate from the actuator mouthpiece (equivalent to 90 mcg of albuterol base).
The leak rates for the Proventil HFA test and control ... per actuation for both MDIs is 108 µg of albuterol sulfate, which corresponds to 90 µg of albuterol base. All Results in this paper ...